1. Introduction of the game:
Mario Kart Tour is a highly exhilarating racing game that brings the beloved Mario Kart franchise to mobile devices. Developed by Nintendo, this game offers a thrilling and accessible racing experience for players of all ages. With its fast-paced gameplay, iconic characters, and exciting tracks, Mario Kart Tour has become a must-play game for fans of the Mario Kart series.

2. All characters and levels of the game:
Mario Kart Tour features a vast roster of beloved characters from the Mario universe, including Mario, Luigi, Princess Peach, Bowser, Yoshi, and many others. Each character possesses unique abilities and stats, allowing players to strategize and choose their favorite racer. As for the levels, the game takes players on a global tour, with courses inspired by real-world locations as well as classic Mario Kart tracks.

3. What attracts users most to the game:
The major attraction of Mario Kart Tour lies in its combination of nostalgia and accessibility. Fans of the Mario Kart series are drawn in by the opportunity to race with their favorite characters in iconic locations, while newcomers are captivated by the game's intuitive controls and exciting gameplay. Additionally, the game's addictive multiplayer mode and frequent updates keep users engaged and coming back for more.

4. Why it is popular:
Mario Kart Tour has gained immense popularity due to several factors. Firstly, it taps into the well-established and beloved Mario Kart franchise, which has a strong fan base around the world. Moreover, its mobile platform availability allows players to enjoy the game on the go, making it easily accessible. The seamless integration of multiplayer features and engaging gameplay has also contributed to its widespread appeal, as players can compete against friends and other racers worldwide.

5. When the game was released and how many versions are currently available:
Mario Kart Tour was released on September 25, 2019, for both iOS and Android devices. As of now, there is one version of the game that receives regular updates and additions, ensuring a fresh experience for players.

6. The most difficult part of the game:
One of the most challenging aspects of Mario Kart Tour is mastering the various tracks and learning to navigate through obstacles and hazards effectively. The game requires players to carefully utilize power-ups, drift around corners, and strategically choose the best racing line. Additionally, competing against skilled opponents in multiplayer mode presents a formidable challenge that pushes players to continually improve their skills.

7. Strengths and weaknesses of the game:
One of the major strengths of Mario Kart Tour is its seamless integration of multiplayer racing, allowing players to compete against friends and others online. The game also boasts stunning graphics, vibrant tracks, and a wide range of customization options for karts and characters. However, some players have criticized the game for its reliance on microtransactions, which can sometimes hinder progression or create pay-to-win scenarios. Additionally, the game's controls, particularly on smaller screens, may take some time to adjust to for new players.

8. What other games have been developed by the same developer:
Nintendo, the developer of Mario Kart Tour, is renowned for its extensive portfolio of successful games. Some notable titles developed by Nintendo include Super Mario Bros., The Legend of Zelda series, Animal Crossing: New Horizons, Pokémon series, Splatoon, and Super Smash Bros., among many others. These games have solidified Nintendo's reputation for creating immersive and enjoyable gaming experiences across various genres.